Fungal infections can either be systemic, meaning that the infection is deep, or topical (dermatophytic), meaning that the infection is superficial and occurs on the skin.
Basically, one indicates scale, the other indicates methodology. These are from wiktionary. Depending on use they might be somewhat interchangeable. It would seem redundant to use both, yet some...
depositional contacts occur between rocks that formed when sediments were deposited on other sediments.fault contacts are usually shown as thick black lines on geologic maps